SNC 1P - Final Exam Practice Questions
***Note: These are just sample questions, you should also review all your notes and tests prior to the exam.
Definitions
The following terms will be found on the final exam either in the fill-in-the-blank section or the matching section. Be sure you understand each of these words:
Chemistry Unit Terms Space Unit Terms Ecosystems Unit Terms
Electricity Unit Terms
quantitative astronomy herbivore static electricity
qualitative constellation carnivore current electricity
heterogeneous satellite producer voltmeter
homogeneous nuclear fusion fragmentation ammeter
pure substance asteroid predator series circuit
atom luminous prey parallel circuit
physical change non-luminous ecosystem load
chemical change meteor species energy source
atomic number comets community control device
mass number revolution population open circuit
electron rotation invasive species closed circuit
alloy moon pesticide insulator
neutron galaxy fertilizer conductor
proton universe consumer short circuit
molecule star decomposer electrostatics
Ecosystems Unit
1. Compare and contrast the following terms: a. Biotic, Abiotic
b. Ecosystem, Community, Population, Species c. Producer, consumer
d. Food chains, food webs
e. Extinction, extirpated, endangered, threatened
2. Short answer
o Name the spheres of the earth.
o Use a food web to give an example of how a change in one part of an ecosystem can cause many changes in other parts of a food web.
o Define biodiversity and explain its importance.
o Describe three methods used to help control invasive species?
o List the advantages and disadvantages of synthetic vs. natural fertilizers.
Chemistry Unit
1. List the 5 clues to help you identify a physical change from a chemical change.
2. What is the difference between a physical property and a chemical property?
3. List 3 physical properties and 2 chemical properties.
YOU WILL NEED YOUR PERIODIC TABLE FOR THE FOLLOWING 4. Complete this table:
Chemical Formula
Is this a
Compound or Element?
Full names of all elements present
How many atoms of each element?
Ne
CuSO4
Pd(ClO2)2
2 SO3
5. Draw a Bohr-Rutherford diagram of a Carbon atom. Calculate the number of protons, neutrons, and electrons on the side before you begin the diagram.
# protons: ______
# electrons: ______
6. Draw a Bohr-Rutherford diagram of an atom with 4 protons, 4 neutrons, and 4 electrons. Make sure to put the electrons in the right shells
7. Titanium, which is used in professional bike frames has a density of 4.5g/cm3. What is the mass of a bar of titanium with a volume of 1200 cm3? (This is a density calculation)
Given
Required
Analysis
Solution
Paraphrase
8. Find the density of a liquid that fills a 250 mL beaker. The beaker plus liquid has a mass of 300g. The beaker weighs 50g.
Given
Required
Analysis
Solution
Paraphrase
What element is it? _____________________
Electricity Unit
uncharged insulator current electrons
charged conductor voltage protons
gains positive resistance neutrons
loses negative opposite
rub neutral like
Use words from the word bank above to complete the following sentences.
1. a) Static electricity is created when you _____ two _____________ objects together. It occurs because _________ build up in one place on an _______________, which is a substance that does not allow electrons to move freely. You cannot create a static charge on a
_________________ because they allow electrons to move freely and the charge will not stay in one spot. Something becomes negatively charged if it _____________ electrons, but will become positively charged when it ________________ electrons. Remember, only electrons move, not protons!
b) The law of attraction and repulsion states that _______________ charges will attract and __________ charges will repel. However, we also know that ___________ objects will be
attracted to charged objects.
2. _____________ refers to the number of electrons that pass a certain point. The speed or rate at which electrons pass a certain point is called __________, and can be measured with an ammeter. If there is something slowing down these moving electrons this is called
_____________.
4. Two light bulbs are attached in parallel. There is a 3V battery and an ammeter. a) Draw the circuit.
b) If the cell offers 3 V of potential difference, and the resistance is 12.5 Ω, what is the current on the ammeter?
Given
Required
Analysis
Solution
Paraphrase
c) What happens to the first bulb if you were to unscrew the second bulb?
5. Complete the following chart about methods of energy production:
Method 2 advantages 2 disadvantages
Wind energy
Hydro electricity
Nuclear
Space Unit
1. Based on the position of the moon in the diagram, complete the 4 circles to show how the moon would look from Earth. Beside each circle, write the name of the type of moon (ie: waxing gibbous)
2. Fill in the names of the missing planets, and then complete the table by placing checkmarks in any that apply:
closest to sun farthest from sun
Characteristic Me
rc
u
ry
E
a
rt
h
U
ra
n
u
s
Is known to have life-forms
Has an atmosphere
Most of the planet is made of gas
Has rings
Has moons
Rotates (spins) on its axis in less time than an Earth day
Rotation Revolution Seasons Day and night
Axis Earth Venus Mars
Mercury Jupiter Saturn Uranus
Neptune Big bang Galaxy
Use words from the word bank above to complete the following sentences.
3.Rotation is when the Earth ________________ on its ___________ and this motion is
responsible for __________________________. Revolution is when the Earth is _____________ around the __________________ and this motion is responsible for the ____________________.
4.The following planets are rocky or terrestrial planets: ________________________,
__________________, ___________________, and _________________________, while the Gas Giants are: __________________________, __________________________,
_____________________, and ________________________. Pluto is on its own!
5. The Universe was created by the __________ _________.
6. Characteristics of the planets: Write three important facts about each planet in the table below.
Planet Important facts
Mercury
Venus
Earth
Mars
Jupiter
Saturn
Uranus
